<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <style>
    .container{
        margin:0 auto;
        padding: 100px 0 0 0;
        width: 500px;
    }
    #canvas{
        border:1px solid black;
    }
    </style>
</head>
<body>
  <div class="container">
    <canvas id="canvas" height="100" width="700">当前浏览器不支持canvas，请更换浏览器后再试</canvas>
  </div>
    <script src="digit.js"></script>
    <script src="canvasTimer.js"></script>
</body>
</html>
